ST72F344K4T6 STMicroelectronics, ST72F344K4T6 Datasheet - Page 176

• Manufacturer Part Number: ST72F344K4T6
• Description: MCU 8BIT 16KB FLASH MEM 32-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F344K4T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST72F34X-SK/RAIS, ST7MDT40-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: 497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5611

On-chip peripherals
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Figure 80. Random read (dummy write + stop + start + current address read)
Figure 81. Sequential read
Figure 82. Combined format for read
Legend: SA - Slave Address, BA - Byte Address, W: Write, R: Read
Low-power modes
Table 68.
Start
Wait
Halt
Active-halt
Mode
Start
Start
SA
No effect on I
I2C interrupts causes the device to exit from Wait mode.
I
In Halt mode, the I
The I
“exit from Halt mode” capability.
I
In Active halt mode, the I
bus. The I
with “exit from Active-halt mode” capability.
Mode description
2
2
C registers are frozen.
C registers are frozen.
SA
SA
2
C interface resumes operation when the MCU is woken up by an interrupt with
W
Ack
2
R
C interface resumes operation when the MCU is woken up by an interrupt
R
2
C interface.
Ack Data
Ack
BA
2
C interface is inactive and does not acknowledge data on the bus.
Doc ID 12321 Rev 5
Data
Ack
2
C interface is inactive and does not acknowledge data on the
Nack
Stop
Ack
Restart
Start
Data
Description
SA
SA
Ack
R Ack
R
Data Nack
Ack
Data
ST72344xx ST72345xx
Data
Nack
Nack
Stop
Stop
Stop